Preheat the oven to 350 degrees. In a large mixing bowl, mix the eggs until combined. Stir in the onion, almond milk, coconut flour, parmesan cheese, italian seasoning, salt, and pepper until just combined.
Gently stir in the zucchini and tomato. Transfer the batter to the pie plate
Bake for 35 minutes, or until knife inserted in center comes out clean cool for 15 minutes before serving.